Faculty Sponsor(s)
Janet Peterson and Cisco Reyes
Location
Jereld R. Nicholson Library: Grand Avenue
Subject Area
Health, Human Performance and Athletics
Description
Purpose: Pre-workout nutrition is important in exercise training and is often overlooked or misunderstood. The purpose of this study was to examine the effects of pre-workout meals high in carbohydrates or lipids on muscular endurance in lower body muscles and fatigue during a back squat exercise in physically active college students.
Methods: All subjects (n = 8) reported to the lab 2 times, with 24-48 hours of rest between sessions. Subjects’ height, weight, and blood pressure were taken before each session. Subjects were led through a dynamic warm-up consisting of foam rolling, dynamic stretching, and barbell back squat warm-ups every session. Session one was for estimation of subjects’ back squat 1-repetition maximum (1RM) using a PUSH-Strength accelerometer-based velocity tool. During the second session, participants were instructed to consume a carbohydrate or lipid bar and wait 45 minutes for digestion. Subjects then completed the warm-up and performed one back squat set to failure using 75% of their predicted 1RM.
Results: The carbohydrate group performed more repetitions and lifted for a longer time than the lipid group (p < 0.05).
Conclusion: Our data suggest that a carbohydrate-heavy meal immediately prior is beneficial to maximize muscular endurance in resistance training.
Recommended Citation
Palmer, Christopher; Sample, Nathan; Sniffen, Kiana; Reyes, Cisco; and Peterson, Janet T., "The Effects of Pre-Workout Meals High in Carbohydrates or Lipids on Muscle Fatigue during Resistance Exercise: A Pilot Study" (2018). Linfield University Student Symposium: A Celebration of Scholarship and Creative Achievement. Event. Submission 63.
https://digitalcommons.linfield.edu/symposium/2018/all/63
The Effects of Pre-Workout Meals High in Carbohydrates or Lipids on Muscle Fatigue during Resistance Exercise: A Pilot Study
Jereld R. Nicholson Library: Grand Avenue
Purpose: Pre-workout nutrition is important in exercise training and is often overlooked or misunderstood. The purpose of this study was to examine the effects of pre-workout meals high in carbohydrates or lipids on muscular endurance in lower body muscles and fatigue during a back squat exercise in physically active college students.
Methods: All subjects (n = 8) reported to the lab 2 times, with 24-48 hours of rest between sessions. Subjects’ height, weight, and blood pressure were taken before each session. Subjects were led through a dynamic warm-up consisting of foam rolling, dynamic stretching, and barbell back squat warm-ups every session. Session one was for estimation of subjects’ back squat 1-repetition maximum (1RM) using a PUSH-Strength accelerometer-based velocity tool. During the second session, participants were instructed to consume a carbohydrate or lipid bar and wait 45 minutes for digestion. Subjects then completed the warm-up and performed one back squat set to failure using 75% of their predicted 1RM.
Results: The carbohydrate group performed more repetitions and lifted for a longer time than the lipid group (p < 0.05).
Conclusion: Our data suggest that a carbohydrate-heavy meal immediately prior is beneficial to maximize muscular endurance in resistance training.
